docs(tracker): add .env.example file for deployment configuration

Author: izadoesdev

packages/tracker/.env.example

@@ -0,0 +1,14 @@
+# Bunny.net Storage Configuration (Required)
+BUNNY_STORAGE_ZONE_NAME=your-storage-zone-name
+BUNNY_STORAGE_ACCESS_KEY=your-storage-access-key
+
+# Bunny.net API Configuration (Optional - for cache purging)
+BUNNY_API_KEY=your-api-key
+BUNNY_PULL_ZONE_ID=your-pull-zone-id
+
+# Bunny.net Storage Region (Optional)
+# Leave empty for default region, or specify like "ny" or "la"
+BUNNY_STORAGE_REGION=
+
+# Discord Webhook URL (Optional - for deployment notifications)
+DISCORD_WEBHOOK_URL=https://discord.com/api/webhooks/your-webhook-url